PDF malware analysis — malicious · 27081e41503a7ec5

MALICIOUS

PDF

47.1 KB Created: 2020-09-04 02:48:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bb59a6ec3f84210a2839c2500a3ec2d5 SHA-1: 777e8b8f94e7ea7815808f3a70dfefa3334fbfcb SHA-256: 27081e41503a7ec5f87a39889b6963514ba34bbe877450b3dec710f24718735b

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged for containing a malicious redirector link and a large number of external links, suggesting a link farm. The primary malicious URL identified is https://ttraff.club/wix?keyword=symantec+dlp+endpoint+performance+guide. This pattern is indicative of a phishing or malware distribution campaign aiming to lure victims through seemingly legitimate but ultimately harmful links.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://ttraff.club/wix?keyword=symantec+dlp+endpoint+performance+guide
- https://static.usrfiles.com/ugd/d1c05f_e853dfdf251148b3b1a7a477e61eda7c.pdf
- https://static.usrfiles.com/ugd/b97cba_88836dfeede7442384686aac0481fd0d.pdf
- https://static.usrfiles.com/ugd/857e61_99ce79aa45ba463c9cc47ec00516307b.pdf
- https://static.usrfiles.com/ugd/70094d_68e2f78353034eb48d318b4569feaa83.pdf
- https://static.usrfiles.com/ugd/4b7290_203ce7333efa49c7a4cdfed3d98d4ee1.pdf
- https://cdn.shopify.com/s/files/1/0433/6346/7414/files/xiperobadepetukuvikokireb.pdf
- https://cdn.shopify.com/s/files/1/0430/0704/9877/files/mofufupujojikeviberarap.pdf
- https://cdn.shopify.com/s/files/1/0429/4203/8182/files/gekiwovasatinimowino.pdf
- https://cdn.shopify.com/s/files/1/0438/8516/6760/files/89503825361.pdf
- https://cdn.shopify.com/s/files/1/0432/5995/3312/files/mobusegevufej.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/97046042130.pdf
- https://cdn.shopify.com/s/files/1/0434/6173/8662/files/pdf_to_cdr_version_converter_online.pdf
- https://cdn.shopify.com/s/files/1/0464/5568/5288/files/80303017158.pdf
- https://static.usrfiles.com/ugd/576447_f33da298f92046869120535963c1e3c0.pdf
- https://static.usrfiles.com/ugd/a3b54b_922b8c5ccc7f4d9bb39d80fbfb67cf3a.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- https://cdn.shopify.com/s/files/1/0432/59

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006b67.bin` `3f6933bf0b9b20a35d4ac3489862dff591c09b3c100e56838f27c8dc37e933e8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B67	5384 bytes
`font_01_sfnt_off00007d94.bin` `0fee1c2746e08b5c5ecfe2d40b9548433f828ad7a6778835e592e4dd3bb6f25f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D94	10368 bytes
`font_02_sfnt_off0000a0cf.bin` `cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA0CF	4324 bytes

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